Home / 21,339,704.76-32,009,641.19-5,165,630.06

Finding the Fourth Proportional to 21,339,704.76, 32,009,641.19 and 5,165,630.06

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Solution

The fourth proportional to 21,339,704.76, 32,009,641.19 and 5,165,630.06 is: 7,748,465.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,339,704.76 : 32,009,641.19 = 5,165,630.06 : x
  2. Step 2: Convert to fraction form
    21,339,704.76/32,009,641.19 = 5,165,630.06/x
  3. Step 3: Cross multiply
    21,339,704.76x = 32,009,641.19 × 5,165,630.06
  4. Step 4: Simplify right side
    21,339,704.76x = 165,349,964,555,001.81
  5. Step 5: Solve for x
    x = 165,349,964,555,001.81/21,339,704.76
  6. Step 6: Final answer
    x = 7,748,465.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.